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Direction cosines of the line passing th...

Direction cosines of the line passing through the points `A(-4, 2, 3) and B(1, 3, -2)` are

A

`pm(1)/(sqrt(51)),pm(5)/(sqrt(51)),pm(1)/(sqrt(51))`

B

`pm(5)/(sqrt(51)),pm(1)/(sqrt(51)),pm(-5)/(sqrt(51))`

C

`pm 5, pm 1, pm5`

D

`pmsqrt(51),pmsqrt(51),pmsqrt(51).

Text Solution

Verified by Experts

`pm (5)/(sqrt(51)), pm (-5)/(sqrt(51))`
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